package work.work60;

import java.util.Scanner;

/**
 * 学生管理程序的界面
 */
public class StudentUI {
    private SuperArray ary = new SuperArray();
    private Scanner sc = new Scanner(System.in);

    public StudentUI(){
        menu();
    }

    /**
     * 菜单界面
     */
    public void menu(){
        System.out.println("欢迎使用学生管理程序");
        while(true){
            System.out.println("请选择：1-查看所有学生 2-增加 3-修改 4-删除 5-退出");
            int input = sc.nextInt();
            if(input == 1){
                show();
            }else if(input == 2){
                add();
            }else if(input == 3){
                update();
            }else if(input == 4){
                remove();
            }else if(input == 5){
                return;
            }
        }
    }

    /**
     * 显示所有学生
     */
    public void show(){
        for(int i = 0 ;i < ary.size();i++){
            Student student = (Student)ary.get(i);
            System.out.println(student.getName() + "," + student.getGender() + "," + student.getAge());
        }
    }
    /**
     * 增加学生
     */
    public void add(){
        System.out.println("请输入学生的姓名：");
        String name = sc.next();
        System.out.println("请输入学生性别：");
        String gender = sc.next();
        System.out.println("请输入学生年纪：");
        int age = sc.nextInt();
        ary.add(new Student(name,gender,age));
    }
    /**
     * 修改学生信息
     */
    public void update(){
        System.out.println("请输入学生姓名：");
        String name = sc.next();
        for (int i = 0; i < ary.size(); i++){
            Student student = (Student) ary.get(i);
            if(student.getName().equals(name)){
                System.out.println("请输入要修改的信息:");
                System.out.println("1-姓名 2-性别 3-年纪");
                int input = sc.nextInt();
                if (input == 1){
                    System.out.println("请输入修改学生后的姓名：");
                    String newname = sc.next();
                    student.setName(newname);
                }else if (input == 2){
                    System.out.println("请输入修改学生后的性别：");
                    String gender = sc.next();
                    student.setGender(gender);
                }else if (input == 3){
                    System.out.println("请输入修改学生后的年龄");
                    int age = sc.nextInt();
                    student.setAge(age);
                }
                return;
            }
        }
        System.out.println("学生姓名输入错误");
    }
    /**
     * 删除学生
     */
    public void remove(){
        System.out.println("请输入删除学生的名字：");
        String name = sc.next();
        for (int i = 0; i < ary.size(); i++) {
            Student student = (Student) ary.get(i);
            if (student.getName().equals(name)){
                ary.remove(i);
                return;
            }
        }
        System.out.println("输入学生名字错误");
    }

    public static void main(String[] args) {
        new StudentUI();
    }
}
